mirrors/ParkanPlayground
0
Fork 0
mirror of https://github.com/sampletext32/ParkanPlayground.git synced 2025-07-02 04:50:27 +03:00
Code Issues Releases Activity

add misc handlers, cleanup and fixes

Browse Source
This commit is contained in:
bird_egop
2025-04-17 20:47:51 +03:00
parent 124493cd94
commit a9d4c39717
22 changed files with 1086 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
X86Disassembler/X86/Handlers/InstructionHandlerFactory.cs
View File

@ -12,6 +12,7 @@ using X86Disassembler.X86.Handlers.Imul;
using X86Disassembler.X86.Handlers.Inc;
using X86Disassembler.X86.Handlers.Jump;
using X86Disassembler.X86.Handlers.Lea;
using X86Disassembler.X86.Handlers.Misc;
using X86Disassembler.X86.Handlers.Mov;
using X86Disassembler.X86.Handlers.Mul;
using X86Disassembler.X86.Handlers.Neg;
@ -36,21 +37,15 @@ namespace X86Disassembler.X86.Handlers;
public class InstructionHandlerFactory
{
private readonly List<IInstructionHandler> _handlers = [];
private readonly byte[] _codeBuffer;
private readonly InstructionDecoder _decoder;
private readonly int _length;
/// <summary>
/// Initializes a new instance of the InstructionHandlerFactory class
/// </summary>
/// <param name="codeBuffer">The buffer containing the code to decode</param>
/// <param name="decoder">The instruction decoder that owns this factory</param>
/// <param name="length">The length of the buffer</param>
public InstructionHandlerFactory(byte[] codeBuffer, InstructionDecoder decoder, int length)
public InstructionHandlerFactory(InstructionDecoder decoder)
{
_codeBuffer = codeBuffer;
_decoder = decoder;
_length = length;
RegisterAllHandlers();
}
@ -61,7 +56,7 @@ public class InstructionHandlerFactory
private void RegisterAllHandlers()
{
// Register specific instruction handlers
_handlers.Add(new Int3Handler(_decoder));
_handlers.Add(new Nop.Int3Handler(_decoder));
// Register handlers in order of priority (most specific first)
RegisterSbbHandlers(); // SBB instructions
@ -95,7 +90,7 @@ public class InstructionHandlerFactory
RegisterSubHandlers(); // Register SUB handlers
RegisterNopHandlers(); // Register NOP handlers
RegisterBitHandlers(); // Register bit manipulation handlers
RegisterAndHandlers(); // Register AND handlers
RegisterMiscHandlers(); // Register miscellaneous instructions
}
/// <summary>
@ -471,11 +466,29 @@ public class InstructionHandlerFactory
private void RegisterNopHandlers()
{
// Register NOP handlers
_handlers.Add(new NopHandler(_decoder)); // NOP (opcode 0x90)
_handlers.Add(new Nop.NopHandler(_decoder)); // NOP (opcode 0x90)
_handlers.Add(new TwoByteNopHandler(_decoder)); // 2-byte NOP (opcode 0x66 0x90)
_handlers.Add(new MultiByteNopHandler(_decoder)); // Multi-byte NOP (opcode 0F 1F /0)
}
/// <summary>
/// Registers all miscellaneous instruction handlers
/// </summary>
private void RegisterMiscHandlers()
{
// Register miscellaneous instruction handlers
_handlers.Add(new IntHandler(_decoder)); // INT (opcode 0xCD)
_handlers.Add(new IntoHandler(_decoder)); // INTO (opcode 0xCE)
_handlers.Add(new IretHandler(_decoder)); // IRET (opcode 0xCF)
_handlers.Add(new CpuidHandler(_decoder)); // CPUID (opcode 0x0F 0xA2)
_handlers.Add(new RdtscHandler(_decoder)); // RDTSC (opcode 0x0F 0x31)
_handlers.Add(new HltHandler(_decoder)); // HLT (opcode 0xF4)
_handlers.Add(new WaitHandler(_decoder)); // WAIT (opcode 0x9B)
_handlers.Add(new LockHandler(_decoder)); // LOCK (opcode 0xF0)
_handlers.Add(new InHandler(_decoder)); // IN (opcodes 0xE4, 0xE5, 0xEC, 0xED)
_handlers.Add(new OutHandler(_decoder)); // OUT (opcodes 0xE6, 0xE7, 0xEE, 0xEF)
}
/// <summary>
/// Registers all bit manipulation instruction handlers
/// </summary>